Welllll

Carla Denyer, Green MP for Bristol Central, sought to stress that despite the motions "eye-catching" title, "it does not actually 'abolish' landlords".

For starters.

This is to make investment properties and landbanking less attractive. There will still be landlords. But slumlords and opportunists will be less attracted.

And it's also allowing:

[...] give councils the Right to Buy when landlords sell properties, when the property doesn’t meet insulation standards, or when a property has been vacant for more than six months.

So that also partially answers your question about council housing numbers.

All there in the article